Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kc6 draw
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Ka6 loss in 2 half-moves
7 Ka7 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Kb6 loss in 1 half-moves